<template>
  <div class="app-container">
		<!-- 头部导航 -->
    <mt-header fixed title="黑马程序员.Vue项目">
			<span slot="left" @click="prev" v-show="flag">
				<mt-button icon="back">返回</mt-button>
			</span>
		</mt-header>
		<!-- 内容 -->
    <transition  leave-active-class="slideOutLeft" enter-active-class="slideInRight">
			<router-view class="animated"></router-view>
		</transition>
		<!-- 底部tabbar -->
    <nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item-11a" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item-11a" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item-11a" to="/cart">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart">
					<span class="mui-badge" id="badge" v-text="$store.getters.getTotalCount"></span>
				</span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item-11a" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>
  </div>
</template>

<script>
  export default {
		data () {
			return {
				flag: false
			}
		},
		created () {
			this.flag = (this.$route.path === '/home') ? flase: true; 
		},
		methods: {
			prev() {
				this.$router.back();
			}
		},
		watch: {
			'$route.path': function(newVal) {
				this.flag = (newVal === '/home') ? false: true;
			}
		}
	}
</script>

<style lang='scss' scoped>
  .app-container {
		.mint-header {
			z-index: 99;
		}
    padding: 40px 0 50px;
		overflow-x: hidden;
		.mui-bar-tab .mui-tab-item-11a.mui-active {
    color: #007aff;
		}
		.mui-bar-tab .mui-tab-item-11a {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
		}
		.mui-bar-tab .mui-tab-item-11a .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
		}
		.mui-bar-tab .mui-tab-item-11a .mui-icon ~ .mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
		}
	}
  
	.v-leave-to {
		position: absolute;
	}
	
</style>